a character in the book David Copperfield (1849-50) by CharlesDickens. Many people think that he is based on Dickens's own father. He is put in prison because he owes money and cannot pay it, but he is always happy and spends any money he gets on himself, confident that "something will turn up" to end his problems.
Definition from the Longman Dictionary of Contemporary English Advanced Learner's Dictionary.
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